Internet Exchanges supporting jumbo frames?

Joel Maslak jmaslak at
Thu Mar 10 14:58:29 UTC 2016

On Wed, Mar 9, 2016 at 9:27 AM, joel jaeggli <joelja at> wrote:

> PMTU blackhole detection implemented in all hosts. IPv4 is lost cause in
> > my opinion (although it's strange how many hosts that seem to get away
> > with 1492 (or is it 1496) MTU because they're using PPPoE).
> if your adv_mss is set accordingly you can get away with
>  a lot.

At least for TCP.  EDNS with sizes > 14xx bytes just plain doesn't
universally work across the internet, yet it's the default everywhere.

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